Package org.sonar.sslr.internal.vm

Class OptionalExpression

java.lang.Object

org.sonar.sslr.internal.vm.OptionalExpression

All Implemented Interfaces:

Matcher, ParsingExpression

public class OptionalExpression
extends Object
implements ParsingExpression

Constructor Summary

Constructors

Constructor	Description
OptionalExpression(ParsingExpression subExpression)

Method Summary

Modifier and Type	Method	Description
Instruction[]	compile(CompilationHandler compiler)	Compiles this expression into a sequence of instructions:
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

OptionalExpression

public OptionalExpression(ParsingExpression subExpression)

Method Details

compile

public Instruction[] compile(CompilationHandler compiler)

Compiles this expression into a sequence of instructions: Choice L1 subExpression Commit L1 L1: ...

Specified by:

compile in interface ParsingExpression

toString

public String toString()

Overrides:

toString in class Object